Internal combustion engine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 5, 1983
Grant Date -
N/A
app pub date -
Mar 26, 1980
filing date -
Mar 27, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An internal combustion engine is disclosed which includes an active cylinder unit always active and an inactive cylinder unit being inactive when the engine load is below a predetermined value. The engine has an intake passage divided into first and second branches leading to the active and inactive cylinder units, respectively. The second intake passage branch is connected through an EGR passage to the exhaust passage of the engine. The second intake passage branch has therein a stop valve and the EGR passage having therein an EGR valve. Means are provided for closing the stop valve and opening the EGR valve at a predetermined time after a low engine load condition occurs.
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